PHOTO: ALYSSA SCHUKAR
NEWS
IN BRIEF
1174 News at a glanceIN DEPTH
1176 Europe to lead in monitoring
carbon from space
Budget hike for ESA’s Copernicus
program advances satellites to
monitor Paris accord cuts
By D. Clery1177 Beset by neural tube defects,
Ethiopia may fortify salt
Government wants evidence of
effectiveness before adding folic acid
to ubiquitous dietary staple
By M. Wadman1178 Italy set to create €300 million
research funding agency
Researchers applaud plan but worry
about agency’s small budget
and potential political interference
By G. Guglielmi1179 Institute that aims to reshape
health care seeks renewal
Mixed reviews for effort to compare
medical treatments By J. Kaiser1180 Nitrogen crisis threatens Dutch
environment—and economy
Ecological damage from manure fumes
triggers calls for drastic change to livestock
industry By E. StokstadINSIGHTS
BOOKS E T A L.
1186 Wishlist-worthy books for
young readersPERSPECTIVES
1192 Close-up view of an active asteroid
Particle ejections from Bennu could shape the
object and send material into space
By J. Agarwal
RESEARCH ARTICLE p. 12171193 Lymphatic vessels as a stem cell niche
Reciprocal signaling between lymphatic
vessels and hair follicle stem cells drives skin
regeneration By N. L. Harvey
RESEARCH ARTICLE p. 12181194 Folding unpredicted
Unexpected topology is the key to glutamate
receptor gating in neurotransmission
By J. Schwenk and B. Fakler
REPORT p. 12591196 Lasting signature of forest
fragmentation
Animal communities that endured historical
environmental upheavals are less sensitive to
modern ones By A. Hargreaves
REPORT p. 12361197 Ushering along B cells
to neutralize HIV
Progress in staged immunizations designed
to elicit a vaccine response is reported
By A. Agazio and R. M. Torres
RESEARCH ARTICLES pp. 1215 & 12161199 Biocatalytic cascades go viral
An investigational drug targeting the HIV
virus is synthesized with nine enzymes
By E. O’Reilly and J. Ryan
REPORT p. 12551200 Calderas collapse as magma flows
into rifts
Recent caldera collapses show the
importance of distant volcanic rift zones
By F. Sigmundsson
RESEARCH ARTICLES pp. 1212, 1213, & 1214POLICY FORUM
1202 Algorithms on regulatory
lockdown in medicine
Prioritize risk monitoring to address the
“update problem” By B. Babic et al.LETTERS
1206 Wind energy: A human challenge
By J. Firestone1206 Wind energy: An ecological challenge
By T. E. Katzner et al.1207 Protecting Patagonian
peatlands in Chile
By J. Hoyos-Santillan et al.1208 Technical Comment abstracts1208 Editor’s Note
EDITORIAL p. 1173SCIENCE sciencemag.org 6 DECEMBER 2019 • VOL 366 ISSUE 6470 11696 DECEMBER 2019 • VOLUME 366 • ISSUE 64701182
CONTENTS
FEATURES
1182 Ready to retire?
A nascent movement to send aging
research monkeys to sanctuaries divides
the biomedical community By D. Grimm
PODCASTRetired from research,
a macaque lives out
its days at the Peaceable
Primate Sanctuary
in Winamac, Indiana.Published by AAASon December 12, 2019^http://science.sciencemag.org/Downloaded from